using System;

using System.Windows.Forms;

using System.Collections;

using System.ServiceModel;

using System.Collections.Generic;

using System.Linq;

using SharpDisplayInterface;

using System.Diagnostics;

namespace SharpDisplayManager

{

    /// <summary>

    /// Implement our display service.

    /// This class is instantiated anew whenever a client send a request.

    /// </summary>

    [ServiceBehavior(   

                        ConcurrencyMode = ConcurrencyMode.Multiple,

                        InstanceContextMode = InstanceContextMode.PerSession                       

                    )]

    class DisplayServer : IDisplayService, IDisposable

    {

        public string SessionId { get; set; }

        DisplayServer()

        {

            Trace.TraceInformation("Server session opening.");

            //First save our session ID. It will be needed in Dispose cause our OperationContxt won't be available then.

            SessionId = OperationContext.Current.SessionId;

            IDisplayServiceCallback callback = OperationContext.Current.GetCallbackChannel<IDisplayServiceCallback>();

            //

            Program.iMainForm.AddClientThreadSafe(SessionId,callback);

        }

        public void Dispose()

        {

            Trace.TraceInformation("Server session closing.");

            Program.iMainForm.RemoveClientThreadSafe(SessionId);

        }

        //From IDisplayService

        public void SetTexts(System.Collections.Generic.IList<string> aTexts)

        {

            Program.iMainForm.SetTextsThreadSafe(aTexts);

        }

        //

        public void SetText(int aLineIndex, string aText)

        {

            Program.iMainForm.SetTextThreadSafe(aLineIndex, aText);

        }

        //

        public void Connect(string aClientName)

        {

            //Disconnect(aClientName);

            //Register our client and its callback interface

            //IDisplayServiceCallback callback = OperationContext.Current.GetCallbackChannel<IDisplayServiceCallback>();

            //Program.iMainForm.iClients.Add(aClientName, callback);

            //Program.iMainForm.treeViewClients.Nodes.Add(aClientName, aClientName);

            //For some reason MP still hangs on that one

            //callback.OnConnected();

        }

        ///

        public void Disconnect(string aClientName)

        {

            //remove the old client if any

            /*

            if (Program.iMainForm.iClients.Keys.Contains(aClientName))

            {

                Program.iMainForm.iClients.Remove(aClientName);

                Program.iMainForm.treeViewClients.Nodes.Remove(Program.iMainForm.treeViewClients.Nodes.Find(aClientName,false)[0]);

            }

             */

        }

    }

}